User interface for a display screen



FIG. 1 is a front view of user interface for a display screen showingour new design;

FIG. 2 is a front view of a user interface for a display screen showinga second embodiment of our new design; and,

FIG. 3 is a front view of a user interface for a display screen showinga third embodiment of our new design.

The broken line showing of numbers, portions of the user interface, andthe display screen is for illustrative purposes only and forms no partof the claimed design.

The ornamental design for a user interface for a display screen, asshown and described.